After examining the blood groups of a husband and wife,the doctor advised them not to have more than one child. The blood groups of the couple are likely to be:

  • A
    Male $Rh^{-}$,Female $Rh^{+}$
  • B
    Female $Rh^{-}$,Male $Rh^{+}$
  • C
    Male and female $Rh^{+}$
  • D
    Male and female $Rh^{-}$

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